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Inorganic Salts

Barium Sulphate Extra Pure

RA000719 CAS 7727-43-7 Extra Pure

Identity

Product code
RA000719
CAS number
7727-43-7
Grade
Extra Pure
Purity
97%
Molecular formula
BaSO4
Molecular weight
233.39

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White powder —
pH value 7 —
Melting point/ Freezing point [°C] 1580 °C °C
Boiling point [°C] 1600 °C °C
Density [g/cm3] 4.5 g/cm3 g/cm3
Solubility in water [% weight] Insoluble in water —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Fine, white, odorless, tasteless, bulky powder, free from grittiness —
Assay Min 97 % %
Soluble barium compounds Max 0.005 % %
Chloride (Cl) Max 0.05 % %
Sulphide (S) Passes test —
Arsenic (As) Max 0.0005 % %
Heavy metal Max 0.001 % %
Loss on ignition Max 2 % %

4 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
25 kg RA000719-PK-25KG
500 g RA000719-PK-500G
50 kg RA000719-PK-50KG